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双折射材料的温度修正 Birefringent Material Temperature Modification V]cY+4Y ^Exq=oV 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: R6.#gb8^oS jM<Ihmh| 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline WX"M_=lc-@ -iX!F~qS, 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline LA0x6E+I ts$UC $ 3.Loop over the baseline material samples and determine the number of wavelength entries /YR$#&N2 oIgj)AY< 4.Loop over each sampled wavelength entry in the baseline material haK5Oe/cE bG?[":k a.Modify the ordinary and extraordinary refractive index values using (2) above ,gD i)] 8{e 3 b.Apply the modified values to the non-baseline material Ik)Q0_<a bJ}+<## 5.Set a description on the non-baseline material indicating the temperature change from baseline U<gw<[>f _/\H3 脚本编程及GUI例程请下载链接: 8R D)yRJ :AGQkJb http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs l!'iLq"K( K.zs;^ http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd |th )Q U\6DEnII?! [AwE QQ:2987619807 UGgi)
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